Merging two command into single line

1. du -sch int* | grep "total" | awk '{print $1}'
   first command result is
   17K
2. echo "B"
   Result
   B

i want the output is 17KB

echo `du -sch int* | grep "total" | awk '{print $1}'`B

du -sch int* | awk '/total/{print $1"B"}'